package com.shuimuzhen.SecondhandMotorManagementSystem.service;

import com.shuimuzhen.SecondhandMotorManagementSystem.pojo.entity.SecondHandMotorcycle;
import com.shuimuzhen.SecondhandMotorManagementSystem.pojo.entity.User;
public interface UserService {
    public boolean sell(SecondHandMotorcycle s);

   public boolean check(User holder,User buyer,SecondHandMotorcycle s);
}
